diff --git a/src/args/cmd/post.rs b/src/args/cmd/post.rs
index c9dd8bc..a4e9a7e 100644
--- a/src/args/cmd/post.rs
+++ b/src/args/cmd/post.rs
@@ -60,6 +60,57 @@ pub struct Opt {
     pub cmd: Option<Cmd>,
 }
 
+#[derive(Parser, Debug)]
+pub struct CreateCmd {
+    #[arg(verbatim_doc_comment)]
+    /// Set post title
+    ///   Example: cnb post create --title 'Title' --body 'Body'
+    #[arg(long)]
+    #[arg(value_name = "TITLE")]
+    pub title: String,
+
+    #[arg(verbatim_doc_comment)]
+    /// Set post body
+    ///   Example: cnb post create --title 'Title' --body 'Body'
+    #[arg(long)]
+    #[arg(value_name = "BODY")]
+    pub body: String,
+
+    #[arg(verbatim_doc_comment)]
+    /// Set post status to publish
+    ///   Example: cnb post create --title 'Title' --body 'Body' --publish
+    ///     *
+    #[arg(long)]
+    #[arg(visible_alias = "pub")]
+    pub publish: bool,
+}
+
+#[derive(Parser, Debug)]
+pub struct UpdateCmd {
+    #[arg(verbatim_doc_comment)]
+    /// Set post title
+    ///   Example: cnb --id 114514 post update --title 'Title'
+    #[arg(long)]
+    #[arg(value_name = "TITLE")]
+    pub title: Option<String>,
+
+    #[arg(verbatim_doc_comment)]
+    /// Set post body
+    ///   Example: cnb --id 114514 post update --body 'Body'
+    #[arg(long)]
+    #[arg(value_name = "BODY")]
+    pub body: Option<String>,
+
+    #[arg(verbatim_doc_comment)]
+    /// Set post publish state
+    ///   Example: cnb --id 114514 post update --publish true
+    ///     *
+    #[arg(long)]
+    #[arg(value_name = "BOOL")]
+    #[arg(visible_alias = "pub")]
+    pub publish: Option<bool>,
+}
+
 #[derive(Debug, Subcommand)]
 pub enum Cmd {
     #[clap(verbatim_doc_comment)]
@@ -67,57 +118,12 @@ pub enum Cmd {
     /// Example: cnb post create --title 'Title' --body 'Body'
     ///   *
     #[clap(visible_alias = "c")]
-    Create {
-        #[arg(verbatim_doc_comment)]
-        /// Set post title
-        ///   Example: cnb post create --title 'Title' --body 'Body'
-        #[arg(long)]
-        #[arg(value_name = "TITLE")]
-        title: String,
-
-        #[arg(verbatim_doc_comment)]
-        /// Set post body
-        ///   Example: cnb post create --title 'Title' --body 'Body'
-        #[arg(long)]
-        #[arg(value_name = "BODY")]
-        body: String,
-
-        #[arg(verbatim_doc_comment)]
-        /// Set post status to publish
-        ///   Example: cnb post create --title 'Title' --body 'Body' --publish
-        ///     *
-        #[arg(long)]
-        #[arg(visible_alias = "pub")]
-        publish: bool,
-    },
+    Create(CreateCmd),
     #[clap(verbatim_doc_comment)]
     /// Update post
     /// Example: cnb --id 114514 post update --title 'Title'
     ///   You should also specify the id of the post via --id
     ///   *
     #[clap(visible_alias = "u")]
-    Update {
-        #[arg(verbatim_doc_comment)]
-        /// Set post title
-        ///   Example: cnb --id 114514 post update --title 'Title'
-        #[arg(long)]
-        #[arg(value_name = "TITLE")]
-        title: Option<String>,
-
-        #[arg(verbatim_doc_comment)]
-        /// Set post body
-        ///   Example: cnb --id 114514 post update --body 'Body'
-        #[arg(long)]
-        #[arg(value_name = "BODY")]
-        body: Option<String>,
-
-        #[arg(verbatim_doc_comment)]
-        /// Set post publish state
-        ///   Example: cnb --id 114514 post update --publish true
-        ///     *
-        #[arg(long)]
-        #[arg(value_name = "BOOL")]
-        #[arg(visible_alias = "pub")]
-        publish: Option<bool>,
-    },
+    Update(UpdateCmd),
 }
diff --git a/src/args/mod.rs b/src/args/mod.rs
index 2a69d14..006c8ea 100644
--- a/src/args/mod.rs
+++ b/src/args/mod.rs
@@ -17,7 +17,7 @@ pub enum TimeStyle {
     Normal,
 }
 
-#[derive(Debug, Parser)]
+#[derive(Parser, Debug)]
 pub struct GlobalOpt {
     #[arg(verbatim_doc_comment)]
     /// Execute with specific PAT
@@ -80,7 +80,7 @@ pub struct GlobalOpt {
     pub quiet: bool,
 }
 
-#[derive(Debug, Parser)]
+#[derive(Parser, Debug)]
 #[command(author, about, long_about = None, version)]
 pub struct Args {
     #[command(subcommand)]
diff --git a/src/args/parser/post.rs b/src/args/parser/post.rs
index 77d98ab..68fd38f 100644
--- a/src/args/parser/post.rs
+++ b/src/args/parser/post.rs
@@ -1,3 +1,4 @@
+use crate::args::cmd::post::{CreateCmd, UpdateCmd};
 use crate::args::parser::{get_skip, get_take};
 use crate::args::{cmd, Args, Cmd};
 use crate::infra::option::IntoOption;
@@ -154,7 +155,7 @@ pub fn delete_post(args: &Args) -> Option<usize> {
     .into_some()
 }
 
-pub fn create_post(args: &Args) -> Option<(&String, &String, bool)> {
+pub fn create_post(args: &Args) -> Option<&CreateCmd> {
     match args {
         Args {
             cmd:
@@ -165,29 +166,20 @@ pub fn create_post(args: &Args) -> Option<(&String, &String, bool)> {
                     list: false,
                     delete: false,
                     search: None,
-                    cmd:
-                        Some(cmd::post::Cmd::Create {
-                            title,
-                            body,
-                            publish,
-                        }),
+                    cmd: Some(cmd::post::Cmd::Create(cmd)),
                 })),
             id: None,
             rev: _,
             skip: None,
             take: None,
             global_opt: _,
-        } => (title, body, *publish),
+        } => cmd,
         _ => return None,
     }
     .into_some()
 }
 
-// TODO: fix warn
-#[allow(clippy::type_complexity)]
-pub fn update_post(
-    args: &Args,
-) -> Option<(usize, &Option<String>, &Option<String>, &Option<bool>)> {
+pub fn update_post(args: &Args) -> Option<(usize, &UpdateCmd)> {
     match args {
         Args {
             cmd:
@@ -198,19 +190,14 @@ pub fn update_post(
                     list: false,
                     delete: false,
                     search: None,
-                    cmd:
-                        Some(cmd::post::Cmd::Update {
-                            title,
-                            body,
-                            publish,
-                        }),
+                    cmd: Some(cmd::post::Cmd::Update(cmd)),
                 })),
             id: Some(id),
             rev: _,
             skip: None,
             take: None,
             global_opt: _,
-        } => (*id, title, body, publish),
+        } => (*id, cmd),
         _ => return None,
     }
     .into_some()
diff --git a/src/main.rs b/src/main.rs
index 4d6d5f6..568fccc 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -12,6 +12,7 @@ use crate::api::ing::Ing;
 use crate::api::news::News;
 use crate::api::post::Post;
 use crate::api::user::User;
+use crate::args::cmd::post::{CreateCmd, UpdateCmd};
 use crate::args::parser::no_operation;
 use crate::args::{parser, Args};
 use crate::infra::fp::currying::eq;
@@ -159,12 +160,14 @@ async fn main() -> Result<()> {
             foe.then(|| panic_if_err(&result));
             display::search_post(style, result)?
         }
-        _ if let Some((title, body, publish)) = parser::post::create_post(&args) => {
-            let id = Post::new(pat?).create(title, body, publish).await;
+        _ if let Some(create_cmd) = parser::post::create_post(&args) => {
+            let CreateCmd { title, body, publish } = create_cmd;
+            let id = Post::new(pat?).create(title, body, *publish).await;
             foe.then(|| panic_if_err(&id));
             display::create_post(style, &id)
         }
-        _ if let Some((id, title, body, publish)) = parser::post::update_post(&args) => {
+        _ if let Some((id, update_cmd)) = parser::post::update_post(&args) => {
+            let UpdateCmd { title, body, publish } = update_cmd;
             let id = Post::new(pat?).update(id, title, body, publish).await;
             foe.then(|| panic_if_err(&id));
             display::update_post(style, &id)